diff --git a/src/main/java/com/biutag/supervision/repository/supdepart/SupDepartResourceService.java b/src/main/java/com/biutag/supervision/repository/supdepart/SupDepartResourceService.java
index d727c66..cc9871d 100644
--- a/src/main/java/com/biutag/supervision/repository/supdepart/SupDepartResourceService.java
+++ b/src/main/java/com/biutag/supervision/repository/supdepart/SupDepartResourceService.java
@@ -77,4 +77,46 @@ public class SupDepartResourceService extends BaseDAO {
         return departAndSubDepart.stream().collect(Collectors.toMap(DepartAndSubDepartDto::getParentId, dto -> dto));
     }
 
+
+
+    /**
+     * 根据任意部门ID展开为其下属二级机构ID集合（包含自身如果自身就是二级）
+     * @param departId 可能是二级机构，也可能是其上级
+     * @return 二级机构ID集合
+     */
+    public Set<String> expandToSecondDepartIds(String departId) {
+        if (StrUtil.isBlank(departId)) {
+            return Collections.emptySet();
+        }
+
+        final String SECOND_LEVEL_VALUE = "2";
+
+        // 1) 先查自己
+        SupDepart self = supDepartMapper.selectById(departId);
+        if (self == null) {
+            return Collections.emptySet();
+        }
+
+        // 2) 如果自己就是二级，直接返回
+        if (SECOND_LEVEL_VALUE.equals(String.valueOf(self.getLevel()))) {
+            return new HashSet<>(Collections.singletonList(self.getId()));
+        }
+
+        // 3) 否则：查该部门下直属的二级机构
+        LambdaQueryWrapper<SupDepart> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(SupDepart::getPid, departId);
+        wrapper.eq(SupDepart::getLevel, SECOND_LEVEL_VALUE);
+
+        List<SupDepart> seconds = supDepartMapper.selectList(wrapper);
+        if (CollectionUtil.isEmpty(seconds)) {
+            return Collections.emptySet();
+        }
+
+        return seconds.stream()
+                .map(SupDepart::getId)
+                .filter(StrUtil::isNotBlank)
+                .collect(Collectors.toSet());
+    }
+
+
 }
diff --git a/src/main/java/com/biutag/supervision/service/complaintCollection/ComplaintCollectionServiceImpl.java b/src/main/java/com/biutag/supervision/service/complaintCollection/ComplaintCollectionServiceImpl.java
index 309dc87..ef282f2 100644
--- a/src/main/java/com/biutag/supervision/service/complaintCollection/ComplaintCollectionServiceImpl.java
+++ b/src/main/java/com/biutag/supervision/service/complaintCollection/ComplaintCollectionServiceImpl.java
@@ -218,10 +218,34 @@ public class ComplaintCollectionServiceImpl implements ComplaintCollectionServic
         }
         if (!AppConstants.USER_TYPE_SUPER.equals(user.getUserType())) {
             if (user.getRoleCodes().contains(RoleCodeEnum.SECOND_ADMIN.getCode())) {
-                param.setSecondDepartIds(new HashSet<>(user.getAuthDepartIds()));
+                // 1) 用户可见范围（你说的“显示用户看到信息”）
+                Set<String> visibleSecondIds = new HashSet<>(user.getAuthDepartIds());
+                // 2) 前端如果传了 secondDepartId（可能是二级或上级），展开成“二级机构ID集合”
+                if (StrUtil.isNotBlank(request.getSecondDepartId())) {
+                    Set<String> querySecondIds = supDepartResourceService.expandToSecondDepartIds(request.getSecondDepartId());
+                    // 3) 取交集：避免越权
+                    visibleSecondIds.retainAll(querySecondIds);
+                }
+                // 4) 交集为空：直接无权限/无数据
+                if (CollectionUtil.isEmpty(visibleSecondIds)) {
+                    return Result.success(ComplaintCollectionPageVo.noAuthVo());
+                }
+                // 5) 最终生效的查询条件
+                param.setSecondDepartIds(visibleSecondIds);
             } else if (user.getRoleCodes().contains(RoleCodeEnum.THREE_ADMIN.getCode())) {
+                // 三级管理员：不允许看
                 return Result.success(ComplaintCollectionPageVo.noAuthVo());
             }
+        }else {
+            // 超管：也支持“前端传上级 -> 展开二级”查询（不做权限交集）
+            if (StrUtil.isNotBlank(request.getSecondDepartId())) {
+                Set<String> querySecondIds = supDepartResourceService.expandToSecondDepartIds(request.getSecondDepartId());
+                if (CollectionUtil.isNotEmpty(querySecondIds)) {
+                    param.setSecondDepartIds(querySecondIds);
+                } else {
+                    return Result.success(ComplaintCollectionPageVo.noAuthVo());
+                }
+            }
         }
         IPage<ComplaintCollection> page = complaintCollectionResourceService.pageQuery(param);
         List<ComplaintCollection> records = page.getRecords();